Base | Representation |
---|---|
bin | 110000100011… |
… | …111110111100 |
3 | 212221202200121 |
4 | 300203332330 |
5 | 11224332200 |
6 | 1132504324 |
7 | 213130402 |
oct | 60437674 |
9 | 25852617 |
10 | 12730300 |
11 | 7205510 |
12 | 431b0a4 |
13 | 283952b |
14 | 1995472 |
15 | 11b6e1a |
hex | c23fbc |
12730300 has 72 divisors (see below), whose sum is σ = 30748032. Its totient is φ = 4536000.
The previous prime is 12730283. The next prime is 12730303. The reversal of 12730300 is 303721.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12730303) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78019 + ... + 78181.
It is an arithmetic number, because the mean of its divisors is an integer number (427056).
Almost surely, 212730300 is an apocalyptic number.
12730300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12730300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15374016).
12730300 is an abundant number, since it is smaller than the sum of its proper divisors (18017732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12730300 is a wasteful number, since it uses less digits than its factorization.
12730300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259 (or 252 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 16.
The square root of 12730300 is about 3567.9545961237. The cubic root of 12730300 is about 233.4960542965.
The spelling of 12730300 in words is "twelve million, seven hundred thirty thousand, three hundred".
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